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求定积分:[(e的sinx次方)乘以cosx]dx,上限是2分之pai,下限是0?
$(acontent)
人气:117 ℃ 时间:2020-01-29 10:45:53
解答
∫[0,π/2] e^(sinx ) cosxdx= ∫[0,π/2] e^(sinx ) dsinx= e^(sinx ) | [0,π/2] =e-1
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